Local ventilation fan VME-4

VME-4 fans are used at the enterprises of mining industry and at other objects during underground construction and are designed for ventilation of dead-end mine workings, including dangerous by gas and dust at air density up to 1,3 kg/m3, at temperature from 238 K (from minus 35 °?) to 318 K (plus 45 °?), dustiness up to 50 mg/m3 and relative humidity up to 95% (at temperature 28 °?). The fans belong to the equipment of group I and are intended for use in explosive environments - hazardous condition 2 (GOST 31438.2) in accordance with the requirements of GOST 31439 and assigned explosion protection marking according to GOST 31441.1 Ex I Mb c X.